作业帮BE=DF,AE=CF,AE//CF,求证AD//BC全等三角形BE=DF,AE=CF,AE//CF,求证AD//BC。我发不了图片
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BE=DF,AE=CF,AE//CF,求证AD//BC全等三角形BE=DF,AE=CF,AE//CF,求证AD//BC。我发不了图片
BE=DF,AE=CF,AE//CF,求证AD//BC
全等三角形BE=DF,AE=CF,AE//CF,求证AD//BC。我发不了图片
BE=DF,AE=CF,AE//CF,求证AD//BC全等三角形BE=DF,AE=CF,AE//CF,求证AD//BC。我发不了图片
AE平行CF →角AEF〓角CFE
角AEF〓角CFE,AE〓CF,BE〓DF→△ABE全等于△DCF→角ABE〓角CDF,AB〓CD
角ABE〓角CDF→AB平行于CD
AB平行于CD,AB〓CD→四边形ABCD为平行四边形→AD平行BC
几何问题,很难的
...没有图 真的很难解答
AE平行CF →角AEF〓角CFE
BE=DF,AE=CF,AE//CF,求证AD//BC全等三角形BE=DF,AE=CF,AE//CF,求证AD//BC。我发不了图片
如图,已知BE=DF,AE=CF,AE∥CF,说明AB∥CD
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